iwl3945: use iwl_mac_get_tx_stats from iwlwifi

3945 can now use iwl_mac_get_tx_stats from iwlwifi.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 92a42c8..7e0d0ed 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -284,6 +284,8 @@
 int iwl_mac_config_interface(struct ieee80211_hw *hw,
 				struct ieee80211_vif *vif,
 				struct ieee80211_if_conf *conf);
+int iwl_mac_get_tx_stats(struct ieee80211_hw *hw,
+			 struct ieee80211_tx_queue_stats *stats);
 
 /*****************************************************
  * RX handlers.